1 Cal Poly SLO Computer Science Department Franz J. Kurfess Computers and Knowledge 1.
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Transcript of 1 Cal Poly SLO Computer Science Department Franz J. Kurfess Computers and Knowledge 1.
3Franz Kurfess: Computers and Knowledge
Use and Distribution of these Slides
These slides are primarily intended for the students in classes I teach. In some cases, I only make PDF versions publicly available. If you would like to get a copy of the originals (Apple KeyNote or Microsoft PowerPoint), please contact me via email at [email protected]. I hereby grant permission to use them in educational settings. If you do so, it would be nice to send me an email about it. If you’re considering using them in a commercial environment, please contact me first.
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Course Overview
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❖ Computers and Knowledge❖ Knowledge Acquisition, Representation, and
Manipulation❖ Knowledge Organization, Retrieval and
Presentation❖ Knowledge Exchange and Interaction; Usability
and Knowledge Management❖ Ethical and Social Dimensions of Knowledge❖ Discussion
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Background FJK
❖Diplom and PhD in Computer Science from TU München
❖PostDoc ICSI, Berkeley❖Neuroinformatik, Uni Ulm❖New Jersey Institute of Technology❖Concordia University, Montreal❖California Polytechnic State University, San
Luis Obispo (Cal Poly SLO)
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http://calpolynews.calpoly.edu/general_images/collage4.jpg
http://www.elcorralbookstore.com/images/large/590403_large.jpg
❖California State University campus on the Central Coast❖ half-way between San Francisco
and Los Angeles❖about 18,000 students
❖ 63 undergraduate programs❖ 25 graduate programs (mostly
Master’s degrees)
Cal Poly San Luis Obispo
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Colleges
❖Agriculture❖Architecture and
Environmental Design❖Business❖Engineering❖Liberal Arts❖Science and Mathematics❖University Center for
Teacher Education8
http://www.sloproperty.com/Images/P0000697.jpg
http://santalucia.sierraclub.org/images/sanluis.JPG
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❖about 1 000 students in three programs
❖bachelors in ❖ Computer Science❖ Software Engineering❖ Computer Engineering
❖ jointly with the Electrical Engineering Department
❖Master’s in Computer Science❖ about 80 students
Computer Science @ Cal Poly
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Franz Kurfess: Computers and Knowledge
CSC Faculty
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http://www.inetours.com/CA-Coast/images/SLO/Cal_Poly_Pano.jpg
❖about 23 professors❖ plus about 10 semi-retired faculty still teaching
courses❖ most actively involved in research
❖about a dozen lecturers❖some teaching by graduate students
❖ mostly courses for non-majors
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Franz Kurfess: Computers and Knowledge
Computers and Knowledge
❖ terminology❖ data, information, knowledge, wisdom
❖ main usage❖ storage/retrieval, reasoning, ...
❖ open issues❖ semantic gap, performance, tacit knowledge, ...
❖ benefits❖ storage capacity, calculations, ...
❖ drawbacks❖ knowledge acquisition, consistency, transparency, ...
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Franz Kurfess: Computers and Knowledge
Knowledge Acquisition, Representation and
Manipulation❖ transfer of knowledge from humans to
computers❖extraction of knowledge from data
collections❖ data mining
❖representation of knowledge in computers❖ rules, frames, scripts, RDF, meta-data
❖generating new knowledge from existing knowledge❖ inference, reasoning
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Franz Kurfess: Computers and Knowledge
Knowledge Organization
❖establishing relations among knowledge items❖ explicit vs. implicit❖ special relations
❖ is-a, part-of, contains, similarity, ...
❖methods for organizing knowledge❖ hierarchies, categorization schemes, descriptors,
ontologies, meta-data, Semantic Web, ...
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Franz Kurfess: Computers and Knowledge
Knowledge Retrieval
❖ finding and retrieving relevant knowledge items from large collections❖ syntax-oriented vs. semantics-oriented❖ feature-based retrieval❖ similarity-based search
❖retrieval techniques❖ information retrieval❖ search engines❖ relevance ranking❖ relevance feedback
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Franz Kurfess: Computers and Knowledge
Knowledge Presentation
❖presentation of relevant knowledge items to the user❖ text, graphics, animation❖ visualization techniques, alternative presentation
methods❖ Human-Computer Interaction and usability
aspects
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Franz Kurfess: Computers and Knowledge
Knowledge Exchange
❖ transfer of knowledge between agents❖ internal representation of knowledge❖ levels of abstraction❖ knowledge exchange languages
❖sharing knowledge between computers and humans
❖sharing knowledge between computers
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Franz Kurfess: Computers and Knowledge
Knowledge-Centric Interaction
❖support for the utilization of computer-based knowledge❖ processes
❖ Delphi method, process modeling❖ technology
❖ Semantic Web, Wiki, RSS
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Franz Kurfess: Computers and Knowledge
Constrained Access
❖ Access to knowledge under circumstances that limit interaction❖ situational
❖ environment or context prevents some interaction methods❖ individual
❖ user preferences or limitations
❖ Alternative input methods❖ speech, alternative text entry or pointing devices
❖ Alternative output methods❖ computer-generated speech❖ printouts (paper)❖ special-purpose displays (headsets, glasses)❖ augmented reality (displays are integrated with the environment)
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